The Helix Race is e*thirteen's top-of-the-line aluminium alloy crank — Enduro-rated strength at XC weight, sold as a 170mm crank arm only with no bottom bracket and no chainring.
Highlights
- Forged AL-6066-T6 crank arms on a 30mm AL-7050-T7 spindle
- Fits Shimano BB92 and BB30 bottom brackets, 68/73mm shell
- Self-extracting bolt plus e*thirteen's P3 Connect spindle interface — no separate crank puller needed
- Tool-free, direct-mount Quick Connect chainring interface (chainring sold separately)
- Flip-flop ring support for a 52mm Boost or 55mm Super Boost chainline
- SRAM and Shimano 12-speed, Narrow/Wide direct-mount compatible
Aluminium strength at XC weight
e*thirteen builds the Helix Race as its top aluminium alloy crank: Enduro-rated arm strength in an XC-weight package, with CNC machining through the arm to cut mass without cutting stiffness. It's sold as a crank only — no bottom bracket and no chainring — so pick a direct-mount Helix ring and a BB92 or BB30 bottom bracket to suit the frame.
Compatibility & fit
- Crank arm length: 170mm
- Bottom bracket: Shimano BB92 or BB30, 68/73mm shell
- Spindle: 30mm
- Chainring: direct-mount Helix R / Helix Plus DM / Helix Steel DM ring, sold separately
- Chainline: 52mm Boost or 55mm Super Boost via the flip-flop ring
- Drivetrain: SRAM and Shimano 12-speed, Narrow/Wide direct mount
- No bottom bracket or chainring included
Options
| Colour | What differs |
|---|---|
| Bronze | Finish only — same crank arms, spindle and spec |
| Black | Finish only — same crank arms, spindle and spec |
- Forged AL-6066-T6 arms, 30mm AL-7050-T7 spindle
- Self-extracting bolt and P3 Connect spindle interface
- Tool-free Quick Connect direct-mount ring interface
- Boost/Super Boost flip-flop chainline
- SRAM/Shimano 12-speed Narrow/Wide compatible
- Fits BB92/BB30, 68/73mm shell
| Crank arm length | 170mm |
|---|---|
| Spindle | 30mm, AL-7050-T7 |
| Bottom bracket | Shimano BB92 or BB30 |
| BB shell width | 68/73mm |
| Chainline | 52mm Boost or 55mm Super Boost (flip-flop ring) |
| Drivetrain compatibility | SRAM and Shimano 12-speed, Narrow/Wide |
| Chainring | Not included — direct mount, sold separately |
| Weight (bare crank, e*thirteen spec) | 566g |
| Colour | Bronze / Black (see Options) |
| SKU | DTW-ETG-CS4HRA-10-PAR |
| Brand | e*Thirteen |
| Shipping Weight | 0.8660kg |
| Shipping Width | 0.250m |
| Shipping Height | 0.100m |
| Shipping Length | 0.400m |